Essential Grammar in Use Supplementary Exercises with Answers

　　To Accompany Essential Grammar in Use Fourth Edition.
The world's best-selling grammar series for learners of English. To accompany Essential Grammar in Use Fourth edition, Essential Grammar in Use Supplementary Exercises provides elementary-level learners with extra practice of the grammar covered in the main book. The easy-to-follow exercises and full answer key make this supplementary book ideal for independent study.